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Finding the Fourth Proportional to 115,582, 173,423.08 and 40,755.59

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Solution

The fourth proportional to 115,582, 173,423.08 and 40,755.59 is: 61,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,582 : 173,423.08 = 40,755.59 : x
  2. Step 2: Convert to fraction form
    115,582/173,423.08 = 40,755.59/x
  3. Step 3: Cross multiply
    115,582x = 173,423.08 × 40,755.59
  4. Step 4: Simplify right side
    115,582x = 7,067,959,945.02
  5. Step 5: Solve for x
    x = 7,067,959,945.02/115,582
  6. Step 6: Final answer
    x = 61,151.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.